Thursday, April 25, 2024 - 08:20 by Anonymous (not verified) Read status unread Listings leJOS EV3 Plug-In Error code 4 Error message Cannot continue the operation. There is another install operation in progress. Installable Units Reported org.lejos.ev3.ldt.feature.feature.group,0.9.1.201511161011 Detailed Message Cannot continue the operation. There is another install operation in progress.